1. Articles from Edward Baraghis

    1-2 of 2
    1. Catechin prevents severe dyslipidemia-associated changes in wall biomechanics of cerebral arteries in LDLr-/-:hApoB+/+ mice and improves cerebral blood flow

      Catechin prevents severe dyslipidemia-associated changes in wall biomechanics of cerebral arteries in LDLr-/-:hApoB+/+ mice and improves cerebral blood flow

      Endothelial dysfunction and oxidative stress contribute to the atherosclerotic process that includes stiffening of large peripheral arteries. In contrast, we previously reported a paradoxical increase in cerebrovascular compliance in LDLr-/-: hApoB+/+ atherosclerotic (ATX) mice. We hypothesized that prevention of cerebral artery endothelial function with a chronic dietary antioxidant intake would normalize the changes in cerebral artery wall structure and biomechanics and prevent the decline in basal cerebral blood flow (CBF) associated with atherosclerosis. Three-month old ATX mice were treated, or not, for 3 months with the polyphenol (+)-catechin (CAT, 30 mg/kg/day) and compared to wild-type (WT) controls. In ...

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    2. Catechin treatment improves cerebrovascular flow-mediated dilation and learning abilities in atherosclerotic mice

      Catechin treatment improves cerebrovascular flow-mediated dilation and learning abilities in atherosclerotic mice

      Severe dyslipidemia and the associated oxidative stress, could accelerate the age-related decline in cerebrovascular endothelial function and cerebral blood flow (CBF), leading to neuronal loss and impaired learning abilities. We hypothesized that a chronic treatment with the polyphenol catechin would prevent endothelial dysfunction, maintain CBF responses and protect learning abilities in atherosclerotic (ATX) mice. We treated ATX (C57Bl/6-LDLR-/-hApoB+/+; 3 month-old, m/o) mice with catechin (30 mg/kg/day) for 3 months, and C57Bl/6 (WT, 3 and 6-m/o) mice were used as controls. ACh- and flow-mediated dilations (FMD) were recorded in pressurized cerebral arteries. Basal CBF ...

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    1-2 of 2
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    1. (2 articles) Polytechnique Montreal
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